Painting an Animated GIF

[ronnyjljr]

Ok here goes,

I am using a customized list model, this list model uses a customized cell renderer. The object the cell renderer uses is a subclass of a JPanel.

I have an animated gif that I wanted to show, I am able to have the regular gif drawn but not the animated. Any help?

mBuddyIcon is defined as an ImageIcon, is this why it's not animating? I have also defined it as type Image before but the ImageIcon and Image types produce the same image, which is not animated. How do I get this to animate?

BackBuffer and BackDC are for the double buffering.

[blue]
	public void paint(Graphics g)
	{
		BackBuffer = createImage (this.getSize().width, this.getSize().height);
		BackDC = BackBuffer.getGraphics ();
		
		int NumOfImgs = (this.getWidth()/mRed.getWidth(null))+1; //RoundUp

		for(int i=0;i<NumOfImgs;i++)
		{
			BackDC.drawImage(mDefault,i*65,0,Color.BLACK,null);	
		}
		
		BackDC.setFont(listFont);
		BackDC.setColor(Color.WHITE);
		BackDC.drawString(mName,60,20);

		[red]mBuddyIcon.paintIcon(this,BackDC,0,0);
[green]//I have tried this and the following...[/green]
BackDC.drawImage(mBuddyIcon,0,0,Color.BLACK,null) [/red]
[green]//The latter of the two was using an Image and not an image icon[/green]

		g.drawImage(BackBuffer,0,0,this);

	}




[/blue]

Thanks,
Ron

typedef map<GiantX,gold, less<std::shortestpathtogold> > AwesomeMap;

 

[idarke]

An ImageIcon will handle an animated gif alright.

On ImageIcon there's a method called setImageObserver(). The ImageObserver is what triggers the animation. Here's the example in ImageIcon's source:
* icon = new ImageIcon(...)
* button.setIcon(icon);
* icon.setImageObserver(button);

Without the ImageObserver set, paintIcon() just paints the first frame to the component.

Hope this helps.

 

[ronnyjljr]

This paint method is inside the cell renderer object.
Is my image observer the Jlist that these objects are stored in? Or is it my custom object?

I would do this?

[red]
mBuddyIcon.paintIcon(this,BackDC,0,0);
mBuddyIcon.setImageObserver(this???);
mBuddyIcon.setImageObserver(myJlist??);

[/red]

Thanks,
Ron

typedef map<GiantX,gold, less<std::shortestpathtogold> > AwesomeMap;

 

[ronnyjljr]

Figured this out.

This image observer does need to be the Jlist. It works great!

Thanks,
Ron

typedef map<GiantX,gold, less<std::shortestpathtogold> > AwesomeMap;